Measurement of the triple gauge boson coupling αW φ from W +W − production in e +e − collisions at [formula omitted]GeV

K Ackerstaff,A Biguzzi,W Mohr,P Schütz,M Kolrep,V Zacek,A Rooke,J Grunhaus,K Ametewee,M Bobinski,C Dallapiccola,C Hartmann,M Fierro,P Routenburg,A Macpherson,A Fürtjes,D Rigby,T Tsukamoto,M Thiergen,B Stockhausen,T Behnke,A Michelini,K Runge,A Jawahery,T Hilse,B Wilkens,F Odorici,M Foucher,P Vikas,M Jones,J Gascon,P Berlich,B Poli,E Do Couto E Silva,D Zer-Zion,E Tsur,S Orito,M Hapke,S Petzold,J Ludwig,M Rosvick,E Lefebvre,J Patt,J Lauber,P Fath,P Mättig,J Von Krogh,P Kyberd,P Poffenberger,C Beeston,J Steuerer,A Skillman,H Przysiezniak,M Jimack,I Cohen,P Pfeifenschneider,D Lanske,K Stephens,R Mir,B Nellen,G Yekutieli,F Scharf,P Gagnon,A Sittler,I Nakamura,M Hansroul,M Boutemeur,J Pálinkás,D Axen,P Utzat,T Kawamoto,A Posthaus,H Mes,G Duckeck,D Karlen,P Bock,V Gibson,W Matthews,S Söldner-Rembold,G Giacomelli,F Wäckerle,M Steiert,R Bartoldus,R Bürgin,P Scharff-Hansen,C Markus,W Gorn,T Kress,O Schaile,M Morii,M Hauschild,N Altekamp,D Lazic,D Chrisman,K Sachs,S Braibant,M Gruwé,A Joly,M Sproston,B Nijjhar,P Taras,T Geralis,J Bechtluft,U Jost,R Van Kooten,S Anderson ,D Eatough ,M Hildreth ,M Sasaki ,T Shears ,H Jérémie ,S Schmitt ,J R Pater ,M G Vincter ,V Blobel ,G Azuelos ,J S White ,P Giacomelli ,A Stahl ,P Capiluppi ,G A Snow ,Robert Howard ,S Arcelli ,S Komamiya ,P E.l Clarke ,A N Bell ,G Alexander ,T Mäshimo ,S Kluth ,H Evans ,D Lellouch ,T J Smith ,P Szymański ,E Gross ,R Keeler ,J E.g Edwards ,D G Charlton ,R Tafirout ,P Sherwood ,J Allison ,D S Koetke ,S R Lautenschlager ,Shun‐Ichi Tanaka ,C H Shepherd-Themistocleous ,K Nagai ,D J Miller ,K Ishii ,S Bentvelsen ,M Doucet ,P Igo‐Kemenes ,J A Wilson ,T Mori ,G Hanson ,Shinji Yamashita ,G Herten ,M Fanti ,D Horváth ,S L Lloyd ,J Letts ,F Fiedler ,H Neal ,C Sbarra ,R Nisius ,F Meijers ,A Wagner ,H Burckhart ,P A Hart ,K Kawagoe ,B W Kennedy ,E Duchovni ,E Barberio ,M J Pearce ,J Meyer ,Y Rozen ,M Schumacher ,R Folman ,M Cuffiani ,A.m Lee ,J Goldberg ,K Desch ,Ch Geich-Gimbel ,Eckhard Von Torne ,M Verzocchi ,R Ryłko ,I M Trigger ,H.‐C Schultz‐Coulon ,S Marcellini ,C Grandi ,G Mikenberg ,C Lewis ,A Skuja ,P Krieger ,Ö Runólfsson ,P Jovanović ,S Asai ,T R Wyatt ,E Ros ,D Glenzinskí ,E K.g Sarkisyan ,C D Burgard ,G Bella ,M Schröder ,R Lahmann ,M Kobel ,J P Martín ,S J Hillier ,Meirin Oan Evans ,U Müller ,G D Long ,A Macchiolo ,G Martı́nez ,M Mannelli ,A Mcnab ,T Omori ,Uwe Rüppel ,G W Wilson ,J L Pinfold ,P Schenk ,H M Fischer ,N Wermes ,F Fabbri ,M Schulz ,J Kirk ,D Strom ,S Bethke ,A H Ball ,J R Batley ,G Wolf ,S Tarem ,L J Levinson ,A Montanari ,S Menke ,M Herndon ,S Dado ,G Pásżtor ,Martin Ingram ,R Sobie ,N Rodning ,O Biebel ,S Towers ,A.a Carter ,J.r Carter ,C Hajdú ,R A Mcpherson ,G Jones ,S W O’neale ,Tatsuo Kobayashi ,B Bouwens ,P R Hobson ,B Schmitt ,A D Schaile ,P W Jeffreys ,R J Homer ,R G Kellogg ,D R Ward ,E H Vokurka ,R K Carnegie ,O C Cooke ,E A Mckigney ,D E Plane ,M S Dixit ,J W Gary ,C M Hawkes ,R E Hughes-Jones ,C P Ward ,F S Merritt ,M J Losty ,D G Fong ,S M Gascon-Shotkin ,M F Turner-Watson ,D L Rees ,P S Wells ,F G Oakham ,H O Ogren ,F K Loebinger ,I J Bloodworth ,G P Siroli ,A T Watson ,P G Estabrooks ,W J Mcdonald ,J E Bloomer ,A J Martin ,T J Mcmahon ,M A Thomson ,J J Ward ,D R Rust ,S A Wotton ,I P Duerdoth ,N I Geddes ,J A Mckenna ,T P Kokott ,K J Anderson ,N K Watson ,Roberto Giacomelli ,Roger Jones ,J E Conboy ,K W Bell ,R M Brown ,A K Honma ,C Y Chang ,N J Oldershaw ,R W Springer ,J E Pilcher ,R J Barlow ,B C Shen ,M J Goodrick ,A A Faust ,C K Hargrove ,P M Watkins ,S A Robins ,H M Bosch ,G M Dallavalle ,S D Talbot ,S D Bird ,L A Del Pozo ,M J Oreglia ,J C Hill ,G N Patrick ,A M Rossi ,D E Hutchcroft ,W G Scott ,S J De Jong ,S H Robertson ,W R Gibson ,D C Imrie ,D M Gingrich ,A S Turcot ,R D Heuer ,J M Roney ,C R Jones ,R J Hemingway ,G D Lafferty ,R J Hawkings ,W P Lai ,A M Smith ,T R Junk ,J G Layter

doi:10.1016/s0370-2693(97)00162-7

Measurement of the triple gauge boson coupling αW φ from W +W − production in e +e − collisions at [formula omitted]GeV

K Ackerstaff, A Biguzzi + Show 335 more

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https://doi.org/10.1016/s0370-2693(97)00162-7

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Journal: Physics Letters B	Publication Date: Mar 1, 1997
Citations: 18

Affiliation: European Organization for Nuclear Research, University of Manchester, Cavendish Hospital, Brunel University London, Université de Montréal, University College London, FH Aachen, University of Alberta, University of Bonn, University of Birmingham, University of Bologna, University of Maryland, College Park, Universität Hamburg, University of British Columbia, Indiana University Bloomington, INFN Sezione di Bologna, Tel Aviv University, Fermi National Accelerator Laboratory, University of Chicago, Kobe University, The University of Tokyo, Ludwig-Maximilians-Universität München, Rutherford Appleton Laboratory, Carleton University, University of California, Riverside, Indiana University, Queen Mary University of London, University of Victoria, Heidelberg University, University of Oregon

#Anomalous Triple Gauge Boson Couplings #Semileptonic Decay Channels + Show 8 more

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Abstract

This letter describes a measurement of one of the anomalous triple gauge boson couplings using the first data recorded by the OPAL detector at LEP2. A total of 28 W-pair candidates have been selected for an integrated luminosity of 9.89±0.06 pb −1 recorded at a centre-of-mass energy of 161 GeV. We use these data to place constraints upon the coupling parameter α W φ . We analyse the predicted variation of the total cross-section for all observed channels and the distribution of kinematic variables in the semileptonic decay channels. We measure α W φ to be −0.61 −0.61 0.73±0.35, which is consistent with the Standard Model expectation of zero.

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